Home / 148,752,485.40-223,128,728.10-46,547,851.80

Finding the Fourth Proportional to 148,752,485.40, 223,128,728.10 and 46,547,851.80

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Solution

The fourth proportional to 148,752,485.40, 223,128,728.10 and 46,547,851.80 is: 69,821,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,752,485.40 : 223,128,728.10 = 46,547,851.80 : x
  2. Step 2: Convert to fraction form
    148,752,485.40/223,128,728.10 = 46,547,851.80/x
  3. Step 3: Cross multiply
    148,752,485.40x = 223,128,728.10 × 46,547,851.80
  4. Step 4: Simplify right side
    148,752,485.40x = 10,386,162,967,921,294
  5. Step 5: Solve for x
    x = 10,386,162,967,921,294/148,752,485.40
  6. Step 6: Final answer
    x = 69,821,777.70

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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.