Home / 124,485,386.40-186,602,108.40-73,341,079.20

Finding the Fourth Proportional to 124,485,386.40, 186,602,108.40 and 73,341,079.20

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Solution

The fourth proportional to 124,485,386.40, 186,602,108.40 and 73,341,079.20 is: 109,937,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485,386.40 : 186,602,108.40 = 73,341,079.20 : x
  2. Step 2: Convert to fraction form
    124,485,386.40/186,602,108.40 = 73,341,079.20/x
  3. Step 3: Cross multiply
    124,485,386.40x = 186,602,108.40 × 73,341,079.20
  4. Step 4: Simplify right side
    124,485,386.40x = 13,685,600,011,051,386
  5. Step 5: Solve for x
    x = 13,685,600,011,051,386/124,485,386.40
  6. Step 6: Final answer
    x = 109,937,402.35

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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.