Home / 124,425,547.20-186,638,320.80-98,727,422.40

Finding the Fourth Proportional to 124,425,547.20, 186,638,320.80 and 98,727,422.40

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Solution

The fourth proportional to 124,425,547.20, 186,638,320.80 and 98,727,422.40 is: 148,091,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,425,547.20 : 186,638,320.80 = 98,727,422.40 : x
  2. Step 2: Convert to fraction form
    124,425,547.20/186,638,320.80 = 98,727,422.40/x
  3. Step 3: Cross multiply
    124,425,547.20x = 186,638,320.80 × 98,727,422.40
  4. Step 4: Simplify right side
    124,425,547.20x = 18,426,320,333,648,308
  5. Step 5: Solve for x
    x = 18,426,320,333,648,308/124,425,547.20
  6. Step 6: Final answer
    x = 148,091,133.60

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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.