Home / 51,242,833,140.40-76,864,249,710.60-31,406,904,103.60

Finding the Fourth Proportional to 51,242,833,140.40, 76,864,249,710.60 and 31,406,904,103.60

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Solution

The fourth proportional to 51,242,833,140.40, 76,864,249,710.60 and 31,406,904,103.60 is: 47,110,356,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242,833,140.40 : 76,864,249,710.60 = 31,406,904,103.60 : x
  2. Step 2: Convert to fraction form
    51,242,833,140.40/76,864,249,710.60 = 31,406,904,103.60/x
  3. Step 3: Cross multiply
    51,242,833,140.40x = 76,864,249,710.60 × 31,406,904,103.60
  4. Step 4: Simplify right side
    51,242,833,140.40x = 2,414,068,119,655,978,369,024
  5. Step 5: Solve for x
    x = 2,414,068,119,655,978,369,024/51,242,833,140.40
  6. Step 6: Final answer
    x = 47,110,356,155.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.