Home / 175,018,686.40-262,528,029.60-103,355,070.40

Finding the Fourth Proportional to 175,018,686.40, 262,528,029.60 and 103,355,070.40

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Solution

The fourth proportional to 175,018,686.40, 262,528,029.60 and 103,355,070.40 is: 155,032,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,018,686.40 : 262,528,029.60 = 103,355,070.40 : x
  2. Step 2: Convert to fraction form
    175,018,686.40/262,528,029.60 = 103,355,070.40/x
  3. Step 3: Cross multiply
    175,018,686.40x = 262,528,029.60 × 103,355,070.40
  4. Step 4: Simplify right side
    175,018,686.40x = 27,133,602,981,281,284
  5. Step 5: Solve for x
    x = 27,133,602,981,281,284/175,018,686.40
  6. Step 6: Final answer
    x = 155,032,605.60

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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.